module Main = struct
    open OUnit2

    (* Program start *)

    (* Program end *)

    (* Test cases *)
    
let test1 _ = assert_equal [3;2;7;1] (arrayChange [1;2;4;6] [[1;3];[4;7];[6;1]])

let test2 _ = assert_equal [2;1] (arrayChange [1;2] [[1;3];[2;1];[3;2]])


    (* Grouping test cases *)
    let suite = "Test Suite for arrayChange" >::: [
        
  "test1" >:: test1;
  "test2" >:: test2;
    ]


    (* Running the tests *)
    let () = run_test_tt_main suite
end